SPC5554MZP80R2 Freescale Semiconductor / Motorola, SPC5554MZP80R2 Datasheet - Page 33

• Manufacturer Part Number: SPC5554MZP80R2
• Description: MPC5554 COPPERHEAD
• Manufacturer: Freescale Semiconductor / Motorola

3.13.4
Table 22
Spec
Freescale Semiconductor
1
2
3
4
5
6
CLKOUT period
CLKOUT duty cycle
CLKOUT rise time
CLKOUT fall time
CLKOUT positive edge to output
signal invalid or Hi-Z (hold time)
External bus interface
BG
BR
BB
CS[0:3]
ADDR[8:31]
DATA[0:31]
BDIP
OE
RD_WR
TA
TEA
TS
TSIZ[0:1]
WE/BE[0:3]
CLKOUT positive edge to output
signal valid (output delay)
External bus interface
BG
BR
BB
CS[0:3]
ADDR[8:31]
DATA[0:31]
BDIP
OE
RD_WR
TA
TEA
TS
TSIZ[0:1]
WE/BE[0:3]
6
5
6
5
lists the timing information for the external bus interface (EBI).
External Bus Interface (EBI) Timing
Characteristic
Description
and
MPC5554 Microcontroller Data Sheet, Rev. 3.0
Symbol
t
t
t
t
t
CDC
COH
CRT
COV
T
CFT
Table 22. Bus Operation Timing
C
45%
Min.
24.4
1.0
1.5
—
—
—
40 MHz
7
External Bus Frequency
10.0
Max.
55%
11.0
—
—
—
—
4
4
7
45%
Min.
17.5
1.0
1.5
—
—
—
56 MHz
7
Max.
55%
7.5
—
—
8.5
—
—
4
4
7
1
Min.
15.2
45%
1.0
1.5
—
—
—
2, 3
66 MHz
7
Max.
55%
6.0
—
—
7.0
—
—
4
4
7
Unit
T
ns
ns
ns
ns
ns
Electrical Characteristics
C
Signals are measured
at 50% V
EBTS = 0
EBTS = 1
Hold time selectable
via SIU_ECCR
[EBTS] bit.
EBTS = 0
EBTS = 1
Output valid time
selectable via
SIU_ECCR
[EBTS] bit.
Notes
DDE
.
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